poser
noun
[ ˈpəʊzə ]
• a person who poses; a poseur.
poser
noun
• a difficult or perplexing question or problem.
Similar:
difficult question,
awkward problem,
knotty problem,
vexed question,
tough one,
puzzle,
mystery,
conundrum,
puzzler,
enigma,
riddle,
dilemma,
facer,
toughie,
tough/hard nut to crack,
brain-teaser,
stumper,
cruncher,
